What Is Jigdo?
Jigdo (which stands for “Jigsaw Download”) was written by Richard Atterer and is released under the GNU GPL. It’s a tool that allows efficient downloading and updating of an ISO image. Any ISO image. Jigdo is not Debian specific, however Debian has chosen it to be the official method of downloading ISO images.A common misconception is that jigdo creates ISO images; it doesn’t. Let’s discuss the overall process of how jigdo allows you to obtain an ISO image. Let Adam be the person offering the ISO image (perhaps he’s the Debian release manager). Let Betty be the person who wants to download the ISO image (perhaps she’s a Debian user). • The first step is that Adam creates an ISO image suitable for burning a CD. He might use a utility like mkisofs or debian-cd to create the ISO image. He also creates two files associated with his newly created ISO image: a .jigdo file and a .template file. He makes these two files available for download to anyone who wants to obtain his ISO image. • The
